1968 CORVAIR

General Specifications

Model Designations:

Corvair 500, Series 101

Corvair Monza, Series 105

Corvair 500, Body Styles:

2 Door Hardtop Coupe, 4 Passenger, Body #10137

Base Price: $2,243; Shipping Weight: 2,470 Pounds; Production Total: 7,206

Corvair Monza, Body Styles:

2 Door Hardtop Coupe, 4 Passenger, Body #10537

Base Price: $2,507; Shipping Weight: 2,500 Pounds; Production Total: 6,807

2 Door Convertible Coupe, 4 Passenger, Body #10567

Base Price: $2,626; Shipping Weight: 2,725 Pounds; Production Total: 1,386

1968 CORVAIR

General Engine Specifications:

95 Horsepower 6 Cylinder Engine:

Wheelbase: 108 inches

Engine Type: Overhead Valve, Horizontally Opposed, Air Cooled 6 Cylinder

Bore & Stroke: 3.4375" X 294"

Engine Displacement: 164 Cu. In.

Compresssion Ratio: 8.25 to 1

Taxable Horsepower: 28.36

Horsepower: 95 @ 3,600 RPM

Torque: 154 Ft. Lbs @ 2,400 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 2 - Rochester Model 7028005, 1 Barrel Carburetors

Rear Axle Ratio: 3.27:1; Optional: 3.55:1

Tire Size: 7.00 x 13 inches

110 Horsepower 6 Cylinder Engine:

Wheelbase: 108 inches

Engine Type: Overhead Valve, Horizontally Opposed, Air Cooled 6 Cylinder

Bore & Stroke: 3.4375" X 2.60"

Engine Displacement: 164 Cu. In.

Compresssion Ratio: 9.25 to 1

Taxable Horsepower: 28.36

Horsepower: 110 @ 4,400 RPM

Torque: 160 Ft. Lbs @ 2,600 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 2 - Rochester Model 7028005, 1 Barrel Carburetors

Rear Axle Ratio: 3.27:1; Optional: 3.55:1

Tire Size: 7.00 x 13 inches

140 Horsepower 6 Cylinder Engine:

Wheelbase: 108 inches

Engine Type: Overhead Valve, Horizontally Opposed, Air Cooled 6 Cylinder

Bore & Stroke: 3.4375" X 2.60"

Engine Displacement: 164 Cu. In.

Compresssion Ratio: 9.25 to 1

Taxable Horsepower: 28.36

Horsepower: 140 @ 5,200 RPM

Torque: 160 Ft. Lbs @ 3,600 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 4 - Rochester Model 7028005, 1 Barrel Carburetors

Rear Axle Ratio: 3.27:1; Optional: 3.55:1

Tire Size: 7.00 x 13 inches

Tune Up Specifications:

95 HP Engine::

Spark Plug Type: AC 46FF or Equivalent

Spark Plug: Gap .035;

Point Gap:

New Points: .019"

Used Points: .016"

Dwell Angle: 31-34 Degrees

Firing Order: 1-4-5-2-3-6

Ignition Timing:

Manual Transmission: 6 Degrees Before TDC

Automatic Transmission: 14 Degrees Before TDC

Engine Idle Speed:

Standard Transmission: 700 RPM

Automatic Transmission: 600 RPM in Drive

Compression Pressure: 130 PSI

Fuel Pump Pressure: 5-1/2 to 6-3/4 PSI

110 HP Engine:

Spark Plug Type: AC 44FF or Equivalent

Spark Plug: Gap .030

Point Gap:

New Points: .019"

Used Points: .016"

Dwell Angle: 31-34 Degrees

Firing Order: 1-4-5-2-3-6

Ignition Timing:

Manual Transmission: 4 Degrees Before TDC

Automatic Transmission: 12 Degrees Before TDC

Engine Idle Speed:

Standard Transmission: 700 RPM

Automatic Transmission: 600 RPM in Drive

Compression Pressure: 130 PSI

Fuel Pump Pressure: 5-1/2 to 6-3/4 PSI

140 HP Engine:

Spark Plug Type: AC 44 FF or Equivalent

Spark Plug: Gap .030

Point Gap:

New Points: .019"

Used Points: .016"

Dwell Angle: 31-34 Degrees

Firing Order: 1-4-5-2-3-6

Ignition Timing: 4 Degrees Before TDC

Engine Idle Speed:

Standard Transmission: 650 RPM

Automatic Transmission: 550 RPM in Drive

Compression Pressure: 130 PSI

Fuel Pump Pressure: 5-1/2 to 6-3/4 PSI

Engine Tightening Specifications:

Spark Plugs: 20 Ft. Lbs

Cylinder Head Bolts: 40 Ft. Lbs

Exhaust Manifold: 25 Ft. Lbs

Rocker Arm Stud Nut: 100 Inch Lbs.

Rocker Arm Stud: 40 Ft. Lbs.

Rocker Arm Cover: 50 Inch. Lbs.

Connecting Rod Cap Bolts: 25 Ft. Lbs.

Crankcase Bolts: 55 Ft. Lbs.

Flywheel to Crankshaft: 45 Ft. Lbs.

Vibration Damper or Pulley: 45 Ft. Lbs.

Distributor Specifications:

Distributor #1110434 (95 HP - Standard Transmission)

Rotation: Clockwise

Breaker Point Opening: .019" (New Points); .016" (Used Points)

Dwell Angle: 31 to34 Degrees

Breaker Arm Spring Tension: 19 to 23 Ounces

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 450 RPM

Full Advance: 14 Degrees @ 2,100 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 7" Vacuum

Maximum Advance: 12 Degrees @ 15" Vacuum

Distributor #1110311 (95 HP - Automatic Transmission)

Rotation: Clockwise

Breaker Point Opening: .019" (New Points); .016" (Used Points)

Dwell Angle: 31 to34 Degrees

Breaker Arm Spring Tension: 19 to 23 Ounces

Centrifugal Advance Data:

Advance Starts: 0 Degree @ 850 RPM

Full Advance: 10 Degrees @ 2,100 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 7" Vacuum

Maximum Advance: 12 Degrees @ 15" Vacuum

Distributor #1110389 (110 HP Engine, Standard Transmission)

Rotation: Clockwise

Breaker Point Opening: .019" (New Points); .016" (Used Points)

Dwell Angle: 31 to 34 Degrees

Breaker Arm Spring Tension: 19 to 23 Ounces

Centrifugal Advance Data:

Advance Starts: 0 Degree @ 450 RPM

Full Advance: 13 Degrees @ 2,200 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 7" Vacuum

Maximum Advance: 12 Degrees @ 15" Vacuum

Distributor #1110319 (110 HP Engine, Automatic Transmission)

Rotation: Clockwise

Breaker Point Opening: .019" (New Points); .016" (Used Points)

Dwell Angle: 31 to 34 Degrees

Breaker Arm Spring Tension: 19 to 23 Ounces

Centrifugal Advance Data:

Advance Starts: 0 Degree @ 400 RPM

Full Advance: 10 Degrees @ 2,400 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 7" Vacuum

Maximum Advance: 12 Degrees @ 15" Vacuum

Distributor #1110371 (140 HP - 4 Carburetor Engine)

Rotation: Clockwise

Breaker Point Opening: .019" (New Points); .016" (Used Points)

Dwell Angle: 31 to 34 Degrees

Breaker Arm Spring Tension: 19 to 23 Ounces

Centrifugal Advance Data:

Advance Starts: 0 Degree @ 450 RPM

Full Advance: 16 Degrees @ 1,500 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 6" Vacuum

Maximum Vacuum Advance: 11 Degrees @ 14" Vacuum

Alternator & Regulator Specifications:

Alternator #1100639

Generator Output: 37 Amperes

Field Current, 12 Volts @ 80 Degrees F: 2.2 to 2.6 Amperes

Output @ 14 Volts:

25 Amperes @ 2,000 RPM

35 Amperes @ 5,000 RPM

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap: .014"

Voltage @ 125 Degrees F: 13.5 to 14.4 Volts

Alternator #1100698

Generator Output: 47 Amperes

Field Current, 12 Volts @ 80 Degrees F: 2.8 to 3.2 Amperes

Output @ 14 Volts:

31 Amperes @ 2,000 RPM

45 Amperes @ 5,000 RPM

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap: .014"

Voltage @ 125 Degrees F: 13.5 to 14.4 Volts

Starting Motor Specifications:

Part #1108317 (Standard Transmission)

Brush Spring Tension: 35 Ounces

No Load Test: 58-80 Amperes, 10.6 Volts @ 6,750-10,500 RPM

Resistance Test: 280-320 Amperes @ 4 Volts

Part #1108318 (Automatic Transmission)

Brush Spring Tension: 35 Ounces

No Load Test: 58-80 Amperes, 10.6 Volts @ 6,750-10,500 RPM

Resistance Test: 280-320 Amperes @ 4 Volts

Valve Specifications

All Engines;

Valve Lash: 1 Turn

Valve Seat Angle: 45 degrees

Valve Face Angle:

Intake: 44 degrees

Exhaust: 44 degrees

Valve Spring Installed Height: 1.66"

Valve Spring Pressure: 175 Lbs @ 1.26 inches

Valve Stem Clearance: Intake .001-.0027

Exhaust .0014-.0035

Valve Stem Diameter: Intake: .3414"-.3422"

Exhaust: .3407"-.3418"

Piston, Pins, Rings, Crankshaft Bearing Data:

All Engines:

Piston Clearance: .0011"-.0017"

Ring End Gap (Minimum):

Compression Ring: .010"

Oil Ring: .015

Wrist Pin Diameter: .8001"

Rod Bearings:

Shaft Diameter: 1.799"-1.800"

Rod Bearing Clearance: .0007"-.0028"

Main Bearings:

Shaft Diameter: #2: 2.0991"-2.0988"; All Others: 2.0983"-2.0993"

Main Bearing Clearance: .003"

Thrust on Bearing #1

Shaft End Play: .002"-.007"

Capacities:

All Series:

Fuel Tank: 14 Gallons;

Engine Oil Refill: 4-1/2 Quarts, with new filter.

Grade of Oil: Summer: 30;

Winter: 10W

3 Speed Manual Transmission: 3.1 Pints

4 Speed Manual Transmission: 3.5 Pints

Automatic Transmission: 6 Pints (13-14 Pints on Overhaul)

Differential: 4 Pints

Wheel Alignment Specifications

Front Wheel Alignment:

Caster: +1-1/2 to +2-1/4 Degrees

Camber: +1/2 to +1-1/2 Degrees

Toe-In: 1/4"

Rear Wheel Alignment:

Camber: +1/2 to +1-1/2 Degrees

Toe-In: 3-16" to 5/16""

Toe-Out on Turns:

Outer Wheel: 18.4 Degrees

Inner Wheel: 20 Degrees

Rear Axle & Brake Specifications

Carrier Type: Integral

Differential Bearing Preload:

Method: Threaded Adjuster

Adjustment: 2 to 3 notches light

Ring Gear & Pinion Backlash:

Method: Threaded Adjuster

Adjustment: .005"-.008"

Pinion Bearing Preload:

Method: Sleeve

Adjustment:

New Bearings: 14-16 Inch Lbs.

Used Bearings: 9-11 Inch Lbs.

Brake Drum Diameter: 9-1/2"

Wheel Cylinder Bore:

Front: 7/8"

Rear: 15/16"

Master Cylinder Bore: 1"

Rochester Carburetor Adjustments:

Float Level: 1-1/16"

Float Drop: 1-9/16"

Idle Vent Valve: .015"

Vacuum Break: .190"

Choke Rod. .190"

Choke Unloader: .500"

Engine Codes:

RE = 164 Engine with Manual Transmission & Air Conditioning

RF = 164 High Output Engine with Air Contitioning

RJ = 164 Engine with Powerglide & Air Conditioning

RK = 164 High Output Engine with Powrglide & Air Conditioning

RS = 164 Engine with Manual Transmission

RU = 164 High Output Engine with Manual Transmission & A.I.R. System

RV = 164 Engine with Powerglide & A.I.R. System

RW = 164 High Output Engine with Powerglide & A.I.R. System

Beginning Serial Number:

All Series: 100001

Popular Options:

Air Conditioning; Automatic Transmission; 4 speed Manual Transmission; 110 HP Engine: 140 HP Engine; Positive Traction Rear Axle, Heavy Duty Air Cleaner, 70 Ampere Battery, 47 Ampere Alternator (Standard with Air Conditioning); Rear Antenna; Tinted Glass, Front and/or Rear Bumper Guards, Padded Instrument Panel, Spare tire lock, Push Button Radio, AM-FM Push Button Radio, AM-FM Radio with 8 Track Stereo, Folding Rear Seat, Sport Steering Wheel, Telescopic Steering Shaft, Whitesidewall Tires, Power Top for Convertibles, Wheel Covers, Wire Wheel Covers, Speed Warning Indicator, Electric Clock, Heater Defroster Delete, Seat Belt Delete, Left Outside Rear View Mirror, 2 Speed Windshield Wiper with Washer, Left Remote Control Mirror.

Paint Colors & Codes:

Code Color

AA Tuxedo Black

CC Ermine White

DD Grotto Blue Poly

EE Fathom Blue Poly

FF Island Teal Poly

GG Ash Gold Poly

HH Grecian Green Poly

JJ Rallye Green Poly

KK Tripoli Turquoise Poly

LL Teal Blue Poly

NN Cordovan Marooon Poly

PP Seafrost Green Poly

RR Matador Red

TT Palomino Ivory

VV Sequoia Green Poly

YY Butternut Yellow

1968 Corvair Historical Data:

The 1968 Chevrolet Corvair was introduced September 21, 1967.

1968 Corvair Production was 15,400.

Promotional Models Produced:

Plastic: Corvair Monza 2 Door Hardtop

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